textproduct: Rapid City

KEY MESSAGES

-Mild and dry most of the week, breezy at times

DISCUSSION

(This Afternoon Through Saturday) Issued at 910 AM MST Sun Nov 8 2026

Mean western NOAM ridging will support mild and dry weather through most of the period as Pac flow continues aloft. Weak/skirting impulses will support cool fronts at times to knock temps down a few degrees and support passing breezy days. Temps will be above normal in the period most days. Upper trough traversing southern Canada today with warm SW downslope flow ahead of this system. Breezy SW winds can be expected with a few gusts over 40 mph possible in northeast WY. Cool front will move through early Monday with winds shifting NW. Expect cooler but still above normal highs Monday with highs in the 50s and 60s. The next system will move into the region Tues with warmer temps expected. It looks potentially breezy Tues behind the expected sfc trough in the afternoon. A stronger back door cool front may slide into the region later Wed, which could knock down temps substantially across the SD Plains Thur. Models are offering varying solutions per local heights, indicating lower confidence in how far west this system will impact temps. However, any cool down will be short lived as the western NOAM ridge quickly rebuilds into the region, supporting a very mild and dry next weekend.

AVIATION

(For the 12Z TAFS Through 12Z Monday Morning) Issued At 411 AM MST Sun Nov 8 2026

VFR conditions are expected through the forecast period. Gusty winds are expected across the SD plains and far northeast WY. Wind gusts up to 30 kts are expected Sunday afternoon, diminishing after sunset.

UNR WATCHES/WARNINGS/ADVISORIES

SD...None. WY...None.